Red Bull's Sebastian Vettel has gone quickest in a rain-affected first practice session ahead of Sunday's Singapore Grand Prix.
The German left McLaren duo Lewis Hamilton and Jenson Button trailing in his wake, while Fernando Alonso was fourth into the garage.
Williams driver Pastor Maldonado finished just ahead of Mark Webber, but the biggester surprise was Michael Schumacher.
The seven-time world champion laboured in the rain and could only record the 14th-fastest time of the session.
Top 10:
1. Sebastian Vettel
2. Lewis Hamilton
3. Jenson Button
4. Fernando Alonso
5. Pastor Maldonado
6. Mark Webber
7. Nico Hulkenberg
8. Paul di Resta
9. Daniel Ricciardo
10. Sergio Perez